2457-21 (D54C) Milwaukee Ratchet - Overview

This is an authentic replacement part manufactured for use with Milwaukee ratchets. The motor assembly is used to power the ratchet and it the motor includes the gear that drives the planet gears. This motor assembly is available as an individual replacement part.

This replacement part is supplied directly from the original equipment manufacturer. It is specially designed for Milwaukee ratchets. The crankshaft is part of the mechanism that drives the anvil. It is driven by the gear on the end of the armature. Over time the part may wear out or get damaged eventually requiring a replacement to ensur...Read moree the unit is functioning properly. Keep in mind this high-quality crankshaft is made of durable metal and is sold individually. Refer to the diagrams of your model for the correct installation of the new part.

This genuine manufacturer-sourced 21 Oz. type "E" grease which is specially produced for use with Milwaukee power tools. It is a petroleum based grease which helps to lubricate the system allowing for easy movement and protecting the internal components from the usual wear. Keep in mind this high-quality item is sold individually.

This is an authentic OEM sourced replacement screw which is specially produced for use with Milwaukee power tools. It is a standard hardware which is generally used to secure the handle of the tool, please make sure to check appropriate diagrams of your model for the correct location and use of this item. Note this high-quality metal screw is sold individually.

This is a genuine Milwaukee replacement part. The yoke housing is designed by the manufacturer for use in ratchets. This part is made of metal, and is used to hold the yoke and connect it to the crankshaft. You may require a screwdriver when replacing this item. This part is sold individually.

A cordless ratchet that will not start or cuts out during use may have a worn switch assembly. The unit combines the trigger switch, control electronics, and battery connection to manage motor operation and variable speed. First test with a known-good battery and inspect the terminals, motor, and internal wiring. Match the replacement to ...Read morethe full tool model because similar assemblies may use different connectors. Remove the battery before service, keep small parts organized, and route each wire through its original guide. Test the trigger only after the housing is fully secured.